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question about a RMS leak #4505902
09/02/17 10:29 PM
09/02/17 10:29 PM
Joined: May 2013
Posts: 97
Long Island, NY
Why_Anything Offline OP
Why_Anything  Offline OP
Joined: May 2013
Posts: 97
Long Island, NY
Well its more of a weep.

Anyway, i picked up this 2010 Ford Transit Connect, with the 2.0 gas motor and an auto. Doing an Inspection i noticed some dampness and on tiny drip of oil forming around the area you would associate with a rear main seal leak. right at the bottom lowest point between the motor and tranny.

I cleaned it off with some parts cleaner and went for a 25 mile drive, i noticed a very slight weeping of oil, not a leak or a drop yet. But i would assume after lets say 500 miles it will be a drip for sure

My question is how long do you guys think i can let this do what it does before i have to rip the tranny out and fix this issue? I only need the van for a few months for a job, then ill see it on to the next guy. It leaves no drips or spots on the drive way after 100 miles of driving, there is no evidence of oil that has been blown under the van or anything like that, that would signify a serious leak.

Do you think some snake oil or a HM oil will tackle this?

I did some reading and see its a known issue to have this leak with the Ford focus of the same years, and in the end the Transit connect is a ford focus.

Last edited by Why_Anything; 09/02/17 10:42 PM.
Re: question about a RMS leak [Re: Why_Anything] #4505905
09/02/17 10:37 PM
09/02/17 10:37 PM
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,090
Phoenix, AZ
Doesn't sound like anything to worry about. Just check the oil every once in a while.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: question about a RMS leak [Re: Why_Anything] #4505909
09/02/17 10:40 PM
09/02/17 10:40 PM
Joined: May 2013
Posts: 97
Long Island, NY
Why_Anything Offline OP
Why_Anything  Offline OP
Joined: May 2013
Posts: 97
Long Island, NY
yeah its more of seepage than a leak really

Re: question about a RMS leak [Re: Why_Anything] #4505931
09/03/17 12:29 AM
09/03/17 12:29 AM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
On a past vehicle, I pretty much just lived with a slow RMS leak for 40k miles. I tried the usual stuff like AutoRX, HM oil, ATP 205.. at most these stopped the leak temporarily but it would always come back.

I just ended up leaving a metal catch pan in the garage where I parked and that was it.

Re: question about a RMS leak [Re: Why_Anything] #4505960
09/03/17 03:51 AM
09/03/17 03:51 AM
Joined: Jan 2013
Posts: 2,099
Texas
WyrTwister Offline
WyrTwister  Offline
Joined: Jan 2013
Posts: 2,099
Texas
I would drive it & check the oil every time I put gas in the tank .

Sounds like a very minor leak , compared to some cars back in the old days .

Shot in the dark , check the PCV system to see if the internals of the engine are not being " pressurized " .


Wyr
God bless
Re: question about a RMS leak [Re: Why_Anything] #4505968
09/03/17 04:19 AM
09/03/17 04:19 AM
Joined: Jul 2005
Posts: 30,985
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,985
NY
I bet there are a lot of cars on the road with the exact same problem that people aren't even aware of. They drive them until they sell or dispose of the car w/o repairing it. As mentioned keep an eye on the oil level, and park it over a catch pan, if oil loss increases, or the spot on the catch pan gets bigger then deal with it.


God Bless Our Troops

Re: question about a RMS leak [Re: Why_Anything] #4505975
09/03/17 04:34 AM
09/03/17 04:34 AM
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,588
MA, Mittelfranken.de
I never mess with a weeping seal, at best the snake oils may slow or stop it temporarily or it might turn into a full blown leak. This engine probably uses a teflon rear seal which are known for slight weeping and rarely develop into a leak, it probably got stretched a bit too much when it was assembled which is no big deal.
If it is teflon it is impervious to esters and solvents anyway but the rest of the engine gaskets and seals are not.


ASE L1, Master. Deutsch Meisterbrief.
Re: question about a RMS leak [Re: Why_Anything] #4506011
09/03/17 07:02 AM
09/03/17 07:02 AM
Joined: Sep 2010
Posts: 7,506
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,506
Texas & Global
My 5.3L has had seepage for years along with many others. A seal can be come "steady state" like that - and the tiny amount of weeping is ideal to keep it wet. I always have the grunge on the metal - but none on my driveway ...


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: question about a RMS leak [Re: Why_Anything] #4506045
09/03/17 07:42 AM
09/03/17 07:42 AM
Joined: Dec 2012
Posts: 361
PA
copcarguy Offline
copcarguy  Offline
Joined: Dec 2012
Posts: 361
PA
Try some MaxLife if it'll make you sleep better.

Re: question about a RMS leak [Re: Why_Anything] #4506134
09/03/17 09:23 AM
09/03/17 09:23 AM
Joined: Dec 2006
Posts: 976
midwest
JamesBond Offline
JamesBond  Offline
Joined: Dec 2006
Posts: 976
midwest
Several years ago I had a small rear main seal leak that would leave a spot on the ground, it didn't bother me so I wasn't trying to fix it. I used many different oils including HM oils with no change, until I tried regular Pennzoil and the leak slowed and then eventually stopped leaving a spot on the ground. There were no other changes made to the vehicle. I stuck with Pennzoil in that car from then on.

Get a new motorcraft pcv valve, don't use any separate leak stoppers.

Re: question about a RMS leak [Re: Why_Anything] #4506191
09/03/17 10:38 AM
09/03/17 10:38 AM
Joined: Mar 2014
Posts: 3,477
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,477
NJ
The RMS and cam seal in my Rav4 have been weeping for the past 100k miles. I use HM oil and haven't tried any magic RMS stop leak yet. Might try some magic stuff if it starts to drip. No way I'm paying to repair it.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles
Re: question about a RMS leak [Re: Why_Anything] #4506240
09/03/17 11:09 AM
09/03/17 11:09 AM
Joined: Mar 2004
Posts: 1,491
Flaherty, KY
92saturnsl2 Online content
92saturnsl2  Online Content
Joined: Mar 2004
Posts: 1,491
Flaherty, KY
My 1985 Ford pickup has been leaking from the RMS since I bought it in 2013. I've put almost 50k on since then and it hasn't gotten any worse. It does leave drips, so I'm careful not to park it anywhere where oil stains would be a bother. I don't think yours will get worse, especially being so new.

I once tried to replace the RMS through the oil pan (rear main seal is under the rear-most main bearing cap) and I got the lower half replaced. I could not move the crank enough to replace the upper half of the seal. It still leaks, so I essentially spent 2-3 days under the truck for nothing. If you're not dumping quarts of oil in to keep it going, I would save your money until it gets bad enough that you have to-- don't mess with it right now.


1985 F-250HD 7.5L 4x4 135k- Castrol GTX 15w-40 HDEO
04 Odyssey EX 184k PUP 0w-40
96 Maxima GLE 254k QS Defy 5w-30
07 Chrysler Pacifica Limited 4.0L 134k Chevron Supreme 5w-20
Re: question about a RMS leak [Re: Why_Anything] #4506274
09/03/17 12:01 PM
09/03/17 12:01 PM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Sounds like it's time someone like Dorman made a fireproof 'automotive diaper' that we can just wrap up against the engine! LOL

Re: question about a RMS leak [Re: Reddy45] #4506285
09/03/17 12:20 PM
09/03/17 12:20 PM
Joined: May 2013
Posts: 97
Long Island, NY
Why_Anything Offline OP
Why_Anything  Offline OP
Joined: May 2013
Posts: 97
Long Island, NY
Originally Posted By: Reddy45
Sounds like it's time someone like Dorman made a fireproof 'automotive diaper' that we can just wrap up against the engine! LOL


LOL!

Re: question about a RMS leak [Re: Reddy45] #4507124
09/04/17 09:32 AM
09/04/17 09:32 AM
Joined: Mar 2014
Posts: 3,477
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,477
NJ
Originally Posted By: Reddy45
Sounds like it's time someone like Dorman made a fireproof 'automotive diaper' that we can just wrap up against the engine! LOL


My wife refers to the pan under her car as a wee wee pad.

It's there to catch the gear fluid that leaks from the transfer case.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles

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